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22023479 is a prime number
BaseRepresentation
bin101010000000…
…0110100110111
31112102220112102
41110000310313
521114222404
62104012315
7355124252
oct124006467
945386472
1022023479
1111482625
12746109b
13474145a
142cd4099
151e0071e
hex1500d37

22023479 has 2 divisors, whose sum is σ = 22023480. Its totient is φ = 22023478.

The previous prime is 22023467. The next prime is 22023481. The reversal of 22023479 is 97432022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22023479 - 212 = 22019383 is a prime.

Together with 22023481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22023409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011739 + 11011740.

It is an arithmetic number, because the mean of its divisors is an integer number (11011740).

Almost surely, 222023479 is an apocalyptic number.

22023479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023479 is an equidigital number, since it uses as much as digits as its factorization.

22023479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22023479 is about 4692.9179622065. The cubic root of 22023479 is about 280.3035780524.

The spelling of 22023479 in words is "twenty-two million, twenty-three thousand, four hundred seventy-nine".